16. Expression of CD25 and CTLA-4 is a characteristic of? A. TH1 B. TH2 Treg

Q: 40. Based on exposure to an atgen, which statement is accurate? a. the secondary response to the…

A: The immune system provides defense against invading pathogens. It is a complex network of cells,…

Q: A) What type of regulatory enzyme is this? B) In what general type of cellular pathway does this…

A: In the above diagram, the N-terminal domain(residues 1–109 and 320–358) is made up of β strands…

Q: T-cell receptor diversity is controlled by Select one: DNA recombination during prophase of meiosis…

A: T cells are the lymphocytes involved in adaptive immune responses. These cells have receptors for…

Q: Match the following conditions with the expected state of primary human cells grown in culture for…

A: The process through which cells are cultivated under controlled circumstances, typically outside of…

Q: 1. One of the following sentences is NOT correct A. P53 is an example of tumour suppressor gene B.…

A: The connective tissue is a fundamental type of animal tissue i.e., most abundant type of animal…

Q: Developing B cells that fail to make productive D to J heavy-chain rearrangements on both homologous…

A: B cells get matured in the bone marrow or in the lymph node. Mature B cells express antibodies on…

Q: E-cadherin expression is___________ in the ________________cells that are situated around the edges…

A: EMT is the epithelial- mesenchymal transition.  Cells needs cadherins adhesion to other cell.…

Q: Which of these are true about cancer stem cells (CSC)? A. Short-lived B. Do not survive initial…

A: Cancer stem cells are also known as tumour initiating cells. They are the cause for relapse of…

Q: What growth factor would be needed in the liver for both type I and type 4 cancers to grow? Tissue…

A: Cancer  It is a condition of an organism where any body cell divide abnormally and very fast which…

Q: 6. Define the following: a. Autologous cells b. Allogenic cells Xenogenic cells C.

A: The cell is the basic biological, functional, and structural unit of life. The cell is the smallest…

Q: 7. Differential (Alternative) RNA processing A. Cu vs Cô (IgM vs IgD) B. Membranous Ig vs Secretory…

A: Immunoglobulin, also known as an antibody, is a protein molecule produced by plasma cells in…

Q: 17. What types of cells can B-lymphocytes differentiate into?   A. Natural killers and phagocytes…

A: The different types of WBC (white blood cells) are responsible for performing specific functions…

Q: 1. GLUT4, OAT1, and NKCC2 all have 12 transmembrane domains.  True  False

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The immunoglobulin that can cross placenta is: a. IgG b. IgE c. IgD d. IgM

A: Immunoglobulins are antibodies produced by the plasma cells in the body as a response to antigens.…

Q: Which of the following would not be classified as an initiating carcinogen? a. Water b. Benzopyrene…

A: Carcinogens are substances or exposure to radiation that have the potential to increase an…

Q: 99) An example of an oncogenic protein is a. E7 protein of HPV b. E6 protein of the HIV-1 protein c.…

A: A gene that has been mutated (modified) from a normal cell growth gene. Cancer cells may be caused…

Q: 10. A given B cell expresses only maternally or paternally derived heavy chains but never both. This…

A: Immunity is a phenomenon build up inside the body of an organism to fight against disease and…

Q: _______ involves successive rearrangement at the lightchain loci when reactivity to self antigen…

A: Answer is a.) Receptor Editing.

Q: 32. Blood type O has which antigens on the red blood cells? a. A antigen b. B antigen O antigen d.…

A: The discovery of the ABO blood group system, over 100 years ago, caused great excitement. Until then…

Q: What percentage of North Americans are Rh positive ? A. 85% B. 55% C. 15% ____ 21. The pineal gland…

A: Blood is a main blody fluid in te circulatory system that is involved in transportation of oxygen ,…

Q: 17. Which of the following causes can cause mast cells to degranulate? a. hypersensitivity to pollen…

A: Mast cells degranulate commonly due to crosslinking of specific IgE by corresponding allergens and…

Q: 2. The following is false about the junctional diversity of antibodies? A. insertion of none-coded…

A: V(D)J recombination is the type of somatic recombination in immune cells like lymphocytes. This is…

Q: 1. Which of the following statements about the double negative (DN) population of developing…

A: 1) The statement which is correct for the double negative (DN) population in developing thymocytes…

Q: 3. IL-10 induces upregulation of which M2 macrophage subtype? What role does this subtype play in…

A: Macrophages are the immune cells which participates in innate host defense mechanism as well as in…

Q: 35. The laboratory finds IgA in a sample of cord blood from a newborn infant. This finding is…

A: IgA is stands for antibody immunoglobulin A. Antibodies are proteins molecules present in body which…

Q: CCR5 delta -32

A: Helper T cells are very important in the development of adaptive immunity, as they do not help only…

Q: Relate to Practice An individual was watching other people stand in line to receive a vaccination.…

A: A patient's rights towards healthcare are a collection of privileges for people who are seeking…

Defense Mechanism

Circumstances influence and compel people to behave in a certain way. One such behavior is a defense mechanism. It is employed by people to escape from unpleasant circumstances, thoughts and actions. Defense mechanisms are, thus, psychological strategies that help to avert and avoid unwanted feelings such as guilt or shame and situations such as threat and danger.